2014
Working memory and reward association learning impairments in obesity
Coppin G, Nolan-Poupart S, Jones-Gotman M, Small DM. Working memory and reward association learning impairments in obesity. Neuropsychologia 2014, 65: 146-155. PMID: 25447070, PMCID: PMC4259845, DOI: 10.1016/j.neuropsychologia.2014.10.004.Peer-Reviewed Original ResearchConceptsHealthy weight individualsNegative outcomesExplicit learningReward association learningProbabilistic learning taskFunction of groupHealthy weight groupObese individualsReward associationsStimulus-rewardExecutive functionAssociation learningLearning taskExperiment 1Learning impairmentHealthy weightParadoxical preferenceWeight individualsPositive outcomesMemoryWeight groupInfluence of obesitySecond experimentCurrent studyDeficits
2012
An fMRI Study of the Interactions Between the Attention and the Gustatory Networks
Veldhuizen MG, Gitelman DR, Small DM. An fMRI Study of the Interactions Between the Attention and the Gustatory Networks. Chemosensory Perception 2012, 5: 117-127. PMID: 25419265, PMCID: PMC4239214, DOI: 10.1007/s12078-012-9122-z.Peer-Reviewed Original ResearchAnterior cingulate cortexFrontal eye fieldCingulate cortexPosterior parietal cortexGustatory cortexEye fieldParietal operculumParietal cortexFrontal operculumAnterior insulaRight anterior insulaPsychophysiological interaction analysisCortexDynamic causal modelingCortex actsIndirect modulationFMRI studyBrain responsesInsulaGoal-directed behaviorIncoming sensory signalsConnectivity analysisSensory signalsCurrent studyAttention task